Javascript对象拷贝(clone),希望大家给点建议1. [代码]方法代码 function cp(source, target) { function isBaseType(v) { var type = typeof v; var basetype = { "string": true, "number": true, "boolean&quo…
一.浅拷贝 当我们需要将一个对象拷贝至另一个对象时,我们一般会这么实现 function shadowCopy(source,target){ var target=target||{}; for(var i in source) { target[i]=source[i]; } return target; } var a={name:'Lily',age:19}; var b=shadowCopy(a);//b={name:'Lily',age:19} 浅拷贝的问题是,如果父对象的属性等于数…
浅拷贝 浅拷贝函数: function copy(p){ var c = {}; for (var i in p){ c[i] = p[i]; } c.uber = p; return c; } 测试: var People = { nation:'中国' }; People.birthPlaces = ['北京','上海','香港']; var Teacher = copy(People); Teacher.birthPlaces.push('厦门'); console.log(Teacher…
javascript对象深拷贝,浅拷贝 ,支持数组 经常看到讨论c#深拷贝,浅拷贝的博客,最近js写的比较多, 所以也来玩玩js的对象拷贝. 下面是维基百科对深浅拷贝的解释: 浅拷贝 One method of copying an object is the shallow copy. In the process of shallow copying A, B will copy all of A's field values. If the field value is a memory…
经常看到讨论c#深拷贝,浅拷贝的博客,最近js写的比较多, 所以也来玩玩js的对象拷贝. 下面是维基百科对深浅拷贝的解释: 浅拷贝 One method of copying an object is the shallow copy. In the process of shallow copying A, B will copy all of A's field values. If the field value is a memory address it copies the memo…